Chair



FIG. 1 is a front view of a chair bearing the design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a front-left perspective view thereof.

The broken lines shown in the drawings are for the purpose of illustrating portions of the chair and form no part of the claimed design. 

CLAIM The ornamental design for a chair, as shown and described. 